Suzi Quatro
Susan Kay Quatrocchio
Songs: Stumblin' In (& Chris Norman) - She's in Love With You - If You Can't Give Me Love - Devil Gate Drive - Can The Can

Queen
Freddie Mercury, Brian May, Roger Taylor & John Deacon

See also: We Will Rock You (musical)
Songs: Crazy Little Thing Called Love - Don't Stop Me Now - We Will Rock You - Bohemian Rhapsody - I Want to Break Free

Queen Latifah
Songs: When You're Good to Mama (Chicago (film)) - I Know Where I've Been (Hairspray (2007 film)) - As Time Goes By (& Rod Stewart) - U.N.I.T.Y. - Come So Far (Got So Far To Go) (From Hairspray (2007 film) movie soundtrack)

Queens of the Stone Age
Josh Homme, Troy Van Leeuwen, Joey Castillo, Dean Fertita & Michael Shuman
See also: Mark Lanegan
Songs: Make It wit Chu - I Sat by the Ocean - Go with the Flow - Little Sister - 3's & 7's

Queensrÿche
Songs: Silent Lucidity - I Don't Believe in Love - Eyes of a Stranger - Jet City Woman - Best I Can